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Effect of Scalp Block with Dexmedetomidine and 0.5% Bupivacaine on Intraoperative Hemodynamic and Anesthetic Requirement in Intracranial Surgery: A Randomized Controlled Trial

Effect of Scalp Block with Dexmedetomidine and 0.5% Bupivacaine on Intraoperative Hemodynamic and Anesthetic Requirement in Intracranial Surgery: A Randomized Controlled Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20200106002
Enrollment
Unknown
Registered
2020-01-06
Start date
2020-03-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patient who undergoing craniotomy under general anesthesia craniotomy scalp block dexmedetomidine bupivacaine hemodynamic mean arterial pressure analgesic fentanyl anesthetic requirement

Interventions

Dexmedetomidine 1 mcg/kg (0.01 ml/kg) with o.5%bupivacaine total volume 20 ml,0.9%NaCl 0.01 ml/kg with 0.5%bupivacaine total volume 20 ml
Experimental Drug,Active Comparator Drug
Group D,Group C

Sponsors

Department of anesthesiology Faculty of medicine, Chiang mai university
Lead Sponsor
Department of anesthesiology Faculty of medicine&#44
Collaborator
Chiang mai university
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: aged 18–65 years, American Society of Anesthesiologists Class I and II, undergoing elective craniotomy Glasglow coma scale score 12 - 15

Exclusion criteria

Exclusion criteria: 1. Patient who had underlying hypertension with or without received antihypertensive therapy 2. Patient who had coronary artery disease 3. Patient who had bradyarrhythmia 4. Patient who had coagulopathy 5. Patient who had increase intracranial pressure 6. Patient who had traumatic brain injury 7. Patient who allergy to bupivacaine or dexmedetomidine

Design outcomes

Primary

MeasureTime frame
Intraoperative hemodynamic response before/during/after scalp block, skull pin insertion, skin incision, after incision every 5 minutes until 1 hour after incision Blood pressure, Mean arterial pressure, Heart rate

Secondary

MeasureTime frame
Intraoperative anesthetic drug requirement Intraoperative Intraoperative total dose of propofol, fentanyl,Postoperative analgesic requirement 24 hour postoperatively Postoperative tramadol use as pain rescue ,Intraoperative and postoperative hemodynamic adverse event Intraoperative and postoperative 24 hour Hypotension, Hypertension, Bradycardia required treatment

Countries

Thailand

Contacts

Public ContactVatsayaporn Praisontarangkul

Department of anesthesiology, Faculty of medicine, Chiang mai university

p.vatsayaporn@gmail.com0863450768

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026